7. Operating electric resistance furnaces
To operate electric resistance ovens under the best conditions, three points must be followed in particular:
correctly establish the furnace's heat balance to determine specific consumption, i.e. consumption per useful unit produced: ton or kilogram of parts, typical unit part, etc;
determining the best operating conditions to reduce the specific cost of the unit produced;
electric furnace maintenance policy.
7.1 Heat balance
The method for establishing a heat balance for a furnace is relatively simple: after choosing the type of plant for which the balance is to be studied, a complete inventory of :
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Operating electric resistance furnaces